Because you like Callie Torres in Grey's Anatomy

Michelle Richardson's world revolves around her boyfriend. Alas, his world doesn't revolve around her. See them in Skins.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

You'll never get Alaska Young. And that's the whole point. See them in Looking for Alaska.

Level-headed Ian Gallagher may be focused on his goals, but he's got a mischievous side too. See them in Shameless.

The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.

Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

Growing up is hard for Carl Grimes. Growing up in a zombie apocalypse is even harder. See them in The Walking Dead.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

Jessica Davis is the girl that guys like to like. See them in Thirteen Reasons Why .

A house elf, Dobby is loyal, compassionate, and yearning for freedom. See them in Harry Potter Series.